how worried is the u.s. government about this the element, and is their concern that perhaps iran put him up to defecting and coming here? >> he departed under his own decision. i do not know if we can say why he left iran, why he chose to return. i do not think there is going to be any particular propaganda value in this. it points out that dichotomy. we allow people to go here, to come home, we have citizens who travel to the region and are now in iranian custody. we're also conscious of robert levinson. we're trying to determine his whereabouts and welfare, and received no corporation. his returning to iran should underscore that we should expect the same kind of treatment with our citizens when they travel to iran. >> said we supported him in coming here. what does that mean? >> made his way to the united states. >> was their money involved -- was there the involve? >> i will not say. >> yesterday, you said there was no swap. you are now being more explicit than in the past couple days about this dichoto